Linus Torvalds released the 3.5-rc3 and said that there's fewer commits. Below are some changes of Linux Kernel 3.5:

A fair amount of Intel graphics driver changes.

The AST KMS driver was merged for the ASpeed graphics hardware plus another KMS driver.

There's now QEMU KMS driver support for the virtual Cirrus hardware.

Many other open-source graphics driver changes.

DMA-BUF PRIME support was merged. DMA-BUF itself also received MMAP/VMAP support.

There's finally audio support for the Creative Sound Core3D sound cards that succeed the Sound Blaster X-Fi. There's also support for the Xonar DGX sound card and other audio updates.

Better input support for the kernel drivers.

A multitude of ARM device improvements.

CRC32 meta-data support for EXT4.

Some technical Btrfs file-system improvements.

Installing Linux Kernel 3.5RC on Ubuntu
Please note that this release is currently under development, so don't install it on a production system. Well, if you want to give it a try, simply open your Terminal and run:

sudo add-apt-repository ppa:xorg-edgers/ppa

sudo apt-get update

sudo apt-get dist-upgrade

If something goes wrong and you change your mind to revert it back to default Kernel version on Ubuntu, please run:

Related Post :

kernel,
PPA,
update

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Damar Riyadi is a chief and owner of tahutek.net , Damar Riyadi joining the UB! since september 2011, he commit to bring a quality ubuntu review and article for you. Interested with him, find him in Google + , Facebook , and Launchpad.